TY - RPRT TI - Stained pectin as seen in the electron microscope. AU - P ALBERSHEIM AU - K MUHLETHALER AU - A FREY-WYSSLING PY - 1960 DO - 10.1083/jcb.8.2.501 UR - https://pubmed.ncbi.nlm.nih.gov/13682084/ ID - 13682084 ER -